The “Aghia Sophia” Children’s Hospital was founded in 1896 and became operational in 1901. With seven hundred and fifty (750) beds, it is the largest children’s hospital in Greece and one of the largest children’s hospitals in Europe. It welcomes children up to the age of 14 and older children under special circumstances.

The Hospital has a department for every medical specialty, both in pathology and surgery fields.. There are one hundred and ten (110) intensive care beds for children and newborns as well as specialised departments, including the Bone Marrow Transplant Unit, the Haematology & Oncology Departments, the Paediatric Cardiology Department, the Haemodynamic Laboratory, the Pediatric Cardiac Surgery Departments and the Neuromuscular Disorders Unit. There is also a range of laboratories, some of which are unique and highly specialized.

The Hospital accommodates the 1st  Paediatric Clinic of the University of Athens,  “Choremio’’ Research Laboratory, the Medical Genetics Laboratory of the University of Athens and the Paediatric Psychiatry Clinic of the University of Athens.
Within the Hospital premises the Institute for Child Health also operates.